Principal DevOps Engineer
Principal DevOps Engineer responsible for platform engineering across bare-metal and Azure environments, including Kubernetes, CI/CD automation, Jenkins lifecycle management, Infrastructure as Code, networking, reliability, and disaster recovery. Requires 8+ years of core DevOps experience and deep hands-on expertise.
About the job
Responsibilities
- Architect, build, and maintain Kubernetes clusters across bare-metal environments using kubeadm and Rancher, and Azure Kubernetes Service (AKS).
- Design scalable and resilient platform infrastructure.
- Build and maintain CI/CD pipelines using Jenkins, Groovy, and GitHub Actions.
- Own the Jenkins lifecycle, including upgrades, patching, plugin management, migration, and modernization.
- Manage GitHub and GitHub Cloud repositories and workflows.
- Ensure timely upgrades of DevOps tools, platforms, and dependencies.
- Define and implement disaster recovery, backup, and high-availability strategies.
- Implement Infrastructure as Code practices for provisioning and configuration.
- Ensure system security, reliability, and performance.
- Troubleshoot complex distributed-system and networking issues.
- Collaborate with engineering teams on cloud-native adoption.
- Drive DevOps best practices and platform standardization.
Requirements
- 8+ years of core DevOps experience.
- Strong experience with bare-metal Kubernetes, including kubeadm and Rancher.
- Hands-on experience with Azure Kubernetes Service (AKS).
- Deep knowledge of Kubernetes architecture and lifecycle.
- Expert Jenkins experience, including pipelines and Groovy.
- Experience with Jenkins upgrades, migrations, and plugin dependency management.
- Strong GitHub Actions experience.
- Expertise with GitHub and GitHub Cloud.
- Strong Azure knowledge and experience with hybrid environments.
- Strong Infrastructure as Code experience with Terraform, ARM, Bicep, or equivalent.
- Knowledge of Kubernetes networking, including CNI plugins such as Calico, Flannel, and Cilium.
- Experience with ingress controllers such as NGINX, Traefik, and Azure Application Gateway Ingress Controller.
- Knowledge of L4/L7 load balancing, including MetalLB for bare-metal environments.
- Understanding of pod-to-pod and pod-to-service communication.
- Experience with DNS management, including CoreDNS, service discovery, and external DNS integration.
- Understanding of TLS/SSL fundamentals, certificate management, certificate rotation, and mutual TLS concepts.
- Knowledge of Kubernetes network policies and segmentation.
- Understanding of hybrid networking between on-premises environments and Azure, including VPN and ExpressRoute.
- Strong ownership, troubleshooting, independent execution, and communication skills.
Nice to Have
- Experience with Prometheus, Grafana, and ELK.
- Experience with GitOps tools such as Argo CD and Flux.
- Kubernetes or Azure certifications.
- Experience modernizing CI/CD platforms.
- Exposure to disaster recovery planning and execution.
- Experience with AI/ML implementation in DevOps, including AIOps, intelligent automation, or pipeline optimization.
- Experience with service meshes such as Istio or Linkerd.
- Platform engineering experience.
Skills
Kubernetes, Azure Kubernetes Service, Jenkins, Groovy, GitHub Actions, GitHub, Azure, Terraform, Bicep, Rancher, Calico, Cilium, Nginx, Prometheus, Grafana
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